
::-webkit-scrollbar {width:5px;height:5px;position:absolute;}
::-webkit-scrollbar-thumb {background-color:#1890ff}
::-webkit-scrollbar-track {background-color:#e90000}
* {
  margin: 0px;
  padding: 0px;
  /* box-sizing: border-box; */
}

html,
body {
  height: 100%;
  width: 100%;
}